A lever is a handle or bar that is attached to a piece of machinery and which you push or pull in order to operate the machinery. ... A lever is a long bar, one end of which is placed under a heavy object so that when you press down on the other end you can move the object.
Pulley
A sheave or small wheel with a grooved rim and with or without the block in which it runs used singly with a rope or chain to change the direction and point of application of a pulling force and in various combinations to increase the applied force especially for lifting weights.
Screws
A screw is a type of fastener typically made of metal, and characterized by a helical ridge, known as a male thread. Screws are used to fasten materials by the engagement of the screw thread with a similar female thread in the matching part.
Thread
A thread is a single sequential flow of control within a program. The real excitement surrounding threads is not about a single sequential thread. Rather, it's about the use of multiple threads running at the same time and performing different tasks in a single program.
Wedge
A wedge is a triangular shaped tool, and is a portable inclined plane, and one of the six simple machines. It can be used to separate two objects or portions of an object, lift up an object, or hold an object in place.
analizarubio1
haha thanks for answering my questions
analizarubio1
pa answer din nmn nito difference the following;1.class 1lever Ang class 3 lever 2.fixed pulley and movable pulley 3.wheel Ang axle 4.input force and output force
Answers & Comments
Answer:
Lever
A lever is a handle or bar that is attached to a piece of machinery and which you push or pull in order to operate the machinery. ... A lever is a long bar, one end of which is placed under a heavy object so that when you press down on the other end you can move the object.
Pulley
A sheave or small wheel with a grooved rim and with or without the block in which it runs used singly with a rope or chain to change the direction and point of application of a pulling force and in various combinations to increase the applied force especially for lifting weights.
Screws
A screw is a type of fastener typically made of metal, and characterized by a helical ridge, known as a male thread. Screws are used to fasten materials by the engagement of the screw thread with a similar female thread in the matching part.
Thread
A thread is a single sequential flow of control within a program. The real excitement surrounding threads is not about a single sequential thread. Rather, it's about the use of multiple threads running at the same time and performing different tasks in a single program.
Wedge
A wedge is a triangular shaped tool, and is a portable inclined plane, and one of the six simple machines. It can be used to separate two objects or portions of an object, lift up an object, or hold an object in place.
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